In Neutron they are forced to be unique within a network.[1] Are you asking if they can be required to be globally unique in Neutron? 1. https://github.com/openstack/neutron/blob/1f7d246f467607e0b065848b324d1ed6b3b47614/neutron/db/models_v2.py#L134-L136 On Mon, Oct 19, 2015 at 4:38 PM, William Stevenson <yhvh2000 at gmail.com> wrote: > Hi, > > In reference to comments on a patchset[1], port/portgroup addresses > should be unique. Please also see the irc log[1] which includes > earlier discussion regarding rationale. > > Q: How can we enforce this uniqueness across tables? > > > [1] > https://review.openstack.org/#/c/206232/26/ironic/db/sqlalchemy/alembic/versions/5ea1b0d310e_added_port_group_table_and_altered_ports.py > [2] http://ix.io/luF/irc > > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > -- Kevin Benton -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20151019/fc4d6d73/attachment.html>